diff options
-rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index ff10d701f5e..3b8836e6be8 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -197,6 +197,8 @@ optimizations = [ (('fmul', ('b2f', a), ('b2f', b)), ('b2f', ('iand', a, b))), (('fsat', ('fadd', ('b2f', a), ('b2f', b))), ('b2f', ('ior', a, b))), (('iand', 'a@bool', 1.0), ('b2f', a)), + # True/False are ~0 and 0 in NIR. b2i of True is 1, and -1 is ~0 (True). + (('ineg', ('b2i', a)), a), (('flt', ('fneg', ('b2f', a)), 0), a), # Generated by TGSI KILL_IF. (('flt', ('fsub', 0.0, ('b2f', a)), 0), a), # Generated by TGSI KILL_IF. # Comparison with the same args. Note that these are not done for |